Compression numbers and starting rpm question
#1
Compression numbers and starting rpm question
The compression numbers are as follows:
All Normalised:
Rotor 1: 758, 768, 768
Rotor 2: 535, 485, 535
Starter motor rpm when cold 180, and starter motor rpm 252 when hot. Car starts easily cold or hot. Once started hot on a dying battery also.
The car runs fine, pulls well and idle is rock solid, has dynode at 158 bhp at 8000 rpm will a filthy air filter, very old spark plugs, bad very worn coils and bad leads.
For some reason I do not find the compression numbers believable. In your experience is an engine like this able to start easily hot or cold at those rpm's and has no hesitation whatsoever to go to redline?
All Normalised:
Rotor 1: 758, 768, 768
Rotor 2: 535, 485, 535
Starter motor rpm when cold 180, and starter motor rpm 252 when hot. Car starts easily cold or hot. Once started hot on a dying battery also.
The car runs fine, pulls well and idle is rock solid, has dynode at 158 bhp at 8000 rpm will a filthy air filter, very old spark plugs, bad very worn coils and bad leads.
For some reason I do not find the compression numbers believable. In your experience is an engine like this able to start easily hot or cold at those rpm's and has no hesitation whatsoever to go to redline?
#5
Thanks for the replies guys, I will carry on without worrying about it until I go for a trip to Athens or Rhodes some time where there are Mazda dealers, and have it checked again.
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rx8-druggist
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11-22-2015 08:26 AM